
// 保质期减1
function updateExperationDateByDay(SellIn: number) {
    return SellIn - 1
}
// 保质期是否大于
function isExperationDateGreater(SellIn: number,param: number) {
    return SellIn > param
}
// 保质期是否小于
function isExperationDateLess(SellIn: number,param: number) {
    return SellIn < param
}
export {
    updateExperationDateByDay,
    isExperationDateGreater,
    isExperationDateLess,
}